DE3750949D1 - Data processing system with watch-dog circuit. - Google Patents

Data processing system with watch-dog circuit.

Info

Publication number
DE3750949D1
DE3750949D1 DE3750949T DE3750949T DE3750949D1 DE 3750949 D1 DE3750949 D1 DE 3750949D1 DE 3750949 T DE3750949 T DE 3750949T DE 3750949 T DE3750949 T DE 3750949T DE 3750949 D1 DE3750949 D1 DE 3750949D1
Authority
DE
Germany
Prior art keywords
watch
data processing
processing system
dog circuit
dog
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE3750949T
Other languages
German (de)
Other versions
DE3750949T2 (en
Inventor
Nigel Leslie Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Simoco International Ltd
Original Assignee
Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE3750949D1 publication Critical patent/DE3750949D1/en
Publication of DE3750949T2 publication Critical patent/DE3750949T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)
DE3750949T 1986-11-03 1987-10-30 Data processing system with watch-dog circuit. Expired - Fee Related DE3750949T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08626198A GB2197508A (en) 1986-11-03 1986-11-03 Data processing system with watchdog

Publications (2)

Publication Number Publication Date
DE3750949D1 true DE3750949D1 (en) 1995-02-16
DE3750949T2 DE3750949T2 (en) 1995-08-03

Family

ID=10606706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3750949T Expired - Fee Related DE3750949T2 (en) 1986-11-03 1987-10-30 Data processing system with watch-dog circuit.

Country Status (7)

Country Link
US (1) US5014190A (en)
EP (1) EP0266837B1 (en)
JP (1) JP2755580B2 (en)
AU (1) AU606360B2 (en)
DE (1) DE3750949T2 (en)
GB (1) GB2197508A (en)
NZ (1) NZ222362A (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197507A (en) * 1986-11-03 1988-05-18 Philips Electronic Associated Data processing system
US5572572A (en) 1988-05-05 1996-11-05 Transaction Technology, Inc. Computer and telephone apparatus with user friendly interface and enhanced integrity features
US5195130A (en) * 1988-05-05 1993-03-16 Transaction Technology, Inc. Computer and telephone apparatus with user friendly computer interface and enhanced integrity features
US5485370A (en) 1988-05-05 1996-01-16 Transaction Technology, Inc. Home services delivery system with intelligent terminal emulator
FR2648586B1 (en) * 1989-06-16 1991-09-27 Jaeger DEVICE FOR MONITORING THE OPERATION OF A MICROCONTROLLER OR MICROPROCESSOR
US5440725A (en) * 1989-06-24 1995-08-08 Robert Bosch Gmbh Microprocessor circuit arrangement with watchdog circuit
DE3920696A1 (en) * 1989-06-24 1991-01-10 Bosch Gmbh Robert MICROPROCESSOR CIRCUIT ARRANGEMENT WITH WATCHDOG CIRCUIT
US5870724A (en) 1989-12-08 1999-02-09 Online Resources & Communications Corporation Targeting advertising in a home retail banking delivery service
FR2663801B1 (en) * 1990-06-26 1994-09-16 Sgs Thomson Microelectronics DIGITAL CONDITIONAL INITIALIZATION DEVICE.
DE4039355C2 (en) * 1990-12-10 1998-07-30 Bosch Gmbh Robert Device for checking the function of a watchdog circuit
US5235699A (en) * 1991-02-01 1993-08-10 Micron Technology, Inc. Timing calibrate and track control circuit
US5341497A (en) * 1991-10-16 1994-08-23 Ohmeda Inc. Method and apparatus for a computer system to detect program faults and permit recovery from such faults
JP2658697B2 (en) * 1991-12-11 1997-09-30 富士通株式会社 Watch dock timer circuit
US5548762A (en) * 1992-01-30 1996-08-20 Digital Equipment Corporation Implementation efficient interrupt select mechanism
US5241632A (en) * 1992-01-30 1993-08-31 Digital Equipment Corporation Programmable priority arbiter
US5287362A (en) * 1992-05-18 1994-02-15 Sun Microsystems, Inc. Mechanism for implementing multiple time-outs
GB9319974D0 (en) * 1993-09-28 1993-11-17 Smiths Industries Plc Electronic circuits and processing systems
US5673389A (en) * 1995-08-31 1997-09-30 Ford Motor Company Methods and apparatus for resetting a monitored system using a gray code with alternating check bits
US5796832A (en) 1995-11-13 1998-08-18 Transaction Technology, Inc. Wireless transaction and information system
KR100252250B1 (en) * 1996-06-28 2000-04-15 윤종용 Rebooting apparatus of system
DE10032597B4 (en) * 2000-07-07 2006-06-08 Daimlerchrysler Ag Bus guard unit for a network node of a time-triggered data communication network
DE10049441B4 (en) * 2000-10-06 2008-07-10 Conti Temic Microelectronic Gmbh Method of operating a system controlled by a processor
US7093154B2 (en) * 2001-10-25 2006-08-15 International Business Machines Corporation Critical adapter local error handling
US9092552B2 (en) 2013-04-26 2015-07-28 Cyberonics, Inc. System monitor for monitoring functional modules of a system

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821882C2 (en) * 1978-05-19 1983-01-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Program control unit with test facility
DE2946081C3 (en) * 1979-11-15 1995-09-21 Wabco Vermoegensverwaltung Circuit arrangement for monitoring the function of a microprocessor
JPS5983254A (en) * 1982-11-04 1984-05-14 Oki Electric Ind Co Ltd Watchdog timer
US4600987A (en) * 1982-12-08 1986-07-15 Pitney Bowes Inc. Monitoring circuit for an electronic postage meter
JPS59211143A (en) * 1983-05-17 1984-11-29 Nissan Motor Co Ltd Car control circuit using microcomputer
JPS603045A (en) * 1983-06-20 1985-01-09 Nec Corp Detector for program address malfunction
US4594685A (en) * 1983-06-24 1986-06-10 General Signal Corporation Watchdog timer
JPS6039255A (en) * 1983-08-12 1985-03-01 Mitsubishi Electric Corp Reset circuit of watchdog timer
US4586179A (en) * 1983-12-09 1986-04-29 Zenith Electronics Corporation Microprocessor reset with power level detection and watchdog timer
JPS60193060A (en) * 1984-03-14 1985-10-01 Mitsubishi Electric Corp Watchdog timer circuit
US4618953A (en) * 1984-05-01 1986-10-21 Pitney Bowes Inc. Watchdog circuit
JPS60263235A (en) * 1984-06-12 1985-12-26 Omron Tateisi Electronics Co Microcomputer system
US4627060A (en) * 1984-11-29 1986-12-02 Baxter Travenol Laboratories, Inc. Watchdog timer
US4803682A (en) * 1985-03-04 1989-02-07 Sanyo Electric Co., Ltd. Resetting system
EP0205163B1 (en) * 1985-06-11 1992-10-28 Nec Corporation Watchdog timer circuit suited for use in microcomputer
JPS61296443A (en) * 1985-06-24 1986-12-27 Mitsubishi Electric Corp Watchdog timer
GB2177241B (en) * 1985-07-05 1989-07-19 Motorola Inc Watchdog timer
JPH0795291B2 (en) * 1986-01-13 1995-10-11 沖電気工業株式会社 Watchdog timer

Also Published As

Publication number Publication date
EP0266837A2 (en) 1988-05-11
EP0266837A3 (en) 1990-02-28
DE3750949T2 (en) 1995-08-03
NZ222362A (en) 1990-06-26
GB2197508A (en) 1988-05-18
JP2755580B2 (en) 1998-05-20
JPS63123139A (en) 1988-05-26
AU8061887A (en) 1988-05-05
EP0266837B1 (en) 1995-01-04
AU606360B2 (en) 1991-02-07
GB8626198D0 (en) 1986-12-03
US5014190A (en) 1991-05-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SIMOCO INTERNATIONAL LTD., CAMBRIDGE, GB

8328 Change in the person/name/address of the agent

Free format text: HANSMANN, VOGESER & PARTNER, 81369 MUENCHEN

8339 Ceased/non-payment of the annual fee